On a map, Nancy uses a ruler to find the approximate distance between her town and California. The distance on the map is 35 centimeters. Nancy knows the distance between her town and California is about 1400 kilometers. What is the scale of the map?
A. 1 cm : 40 km
B. 1 cm : 45 km
C. 1 cm : 208 km
D. 1 cm : 280 km